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A reference for what the literature reports. Not medical advice.

© 2026 CatalystPrivacy TermsReference data under the licences listed on the attribution page.

Compound

Se-methylselenocysteine

An α-amino acid compound having methylselanylmethyl as the side-chain.

Definition from ChEBI (CHEBI:9068), read 2026-09-23. CC BY 4.0.

CHEBI:9068ChEBI

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What it touches on the way

Inferred

Not reported; assembled from reference reactions.

Mechanistic reach

3 entities

3 entities reached.

0 reported hops3 assembled from the scaffold

MTRProteinUNIPROT:Q99707substrate ofInferred only40 paths40 endpoints
AHCYProteinUNIPROT:P23526substrate ofInferred only39 paths39 endpoints
SCLYProteinUNIPROT:Q96I15substrate ofInferred only8 paths8 endpoints

What the reference databases state

Statements

7 statements

7 statements · 1 reference database · Subject: Se-methylselenocysteine · Sources: Human-GEM

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Se-methylselenocysteine is converted to CHEBI:16633CompoundHuman-GEM MAR07140Inferred only
CHEBI:16633 is converted to Se-methylselenocysteineCompoundHuman-GEM MAR07140Inferred only
CHEBI:27760 is converted to Se-methylselenocysteineCompoundHuman-GEM MAR07135Inferred only
Se-methylselenocysteine is a substrate of AHCYProteinHuman-GEM MAR07136Inferred only
Se-methylselenocysteine is a substrate of AHCYL2ProteinHuman-GEM MAR07136Inferred only
Se-methylselenocysteine is a substrate of MTRProteinHuman-GEM MAR09575Inferred only
Se-methylselenocysteine is a substrate of SCLYProteinHuman-GEM MAR07141Inferred only

Reactions

7 reactions

5-methyltetrahydrofolic acid+Se-methylselenocysteineproton+selenomethionine+5,6,7,8-tetrahydrofolic acid
Reaction pageLeft to rightBalancedEC 2.1.1.13GO:0005634
Human-GEM MAR04011CC BY 4.0Reference data
5-methyltetrahydrofolic acid+Se-methylselenocysteineproton+selenomethionine+5,6,7,8-tetrahydrofolic acid
Reaction pageLeft to rightBalancedEC 2.1.1.13GO:0005783
Human-GEM MAR04013CC BY 4.0Reference data
water+CHEBI:27760Se-methylselenocysteine+L-seryl residue
Catalysed by CBS
Reaction pageLeft to rightBalancedEC 4.2.1.22GO:0005829
Human-GEM MAR07135CC BY 4.0Reference data
water+MAM02881cadenosine+Se-methylselenocysteine
Catalysed by AHCY or AHCYL2
Reaction pageReversibleBalancedEC 3.13.2.1GO:0005829
Human-GEM MAR07136CC BY 4.0Reference data
proton+CHEBI:16680+Se-methylselenocysteineS-adenosyl-L-methionine+CHEBI:16633
Reaction pageReversibleBalancedEC 2.1.1.9GO:0005829
Human-GEM MAR07140CC BY 4.0Reference data
water+Se-methylselenocysteineproton+MAM02469c+ammonium+pyruvate
Catalysed by SCLY
Reaction pageLeft to rightBalancedEC 4.4.1.16GO:0005829
Human-GEM MAR07141CC BY 4.0Reference data
MAM01114c+Se-methylselenocysteineselenomethionine+MAM02979c
Catalysed by MTR
Reaction pageLeft to rightBalancedEC 2.1.1.13GO:0005829
Human-GEM MAR09575CC BY 4.0Reference data

Other names

6 names

Resolves to: Se-methylselenocysteine

Also called: 3-(Methylseleno)alanineSe-Methyl-selenocysteineSelenium methyl cysteineSelenohomocysteineSelenomethylselenocysteine
Systematic name: 2-amino-3-methylselanylpropanoic acid